Commit 47f9d63a authored by Claude Meny's avatar Claude Meny

Update 12.temporary_ins/06.geometry-coordinates/40.n4/10.main/textbook.fr.md

parent 3066ab84
Pipeline #8931 canceled with stage
......@@ -103,8 +103,10 @@ $`(x_M, y_M, z_M)`$ et $`(x_P, y_P, z_P)`$
!
! qui vérifie trois propriétés :
! Quelques-soient deux éléments $`e_1`$ et $`e_2`$ quelconques de l'ensemble $`E`$,
! *
!
! * $`\forall (e_1,e_2)\in E \times E, d(e_1,e_2)=d(e_2,e_1)`$
! * $`\forall (e_1,e_2)\in E \times E, d(e_1,e_2)=0\Longleftrightarrow e_1=e_2`$
! * $`\forall (e_1,e_2)\in E^3, d(e_1,e_3)\le d(e_1,e_2) + d(e_2,e_3)`$
......
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